Résoudre dans R l'inéquation suivante :
-x^2-9 < 0
Merci

By: USER7548
27 Agustus 2025 mathematiques 5 minutes
4.5
72 views 72 comments 13 shares

Question

Grade: Education Subject: mathematiques
Résoudre dans R l'inéquation suivante :
-x^2-9 < 0
Merci
Asked by:
72 Viewed 72 Answers

Answer (72)

Best Answer
(180)
-x²-9 < 0
-x² < 9
x² > -9

on sait que x²>0 >-9  donc toujours vrai

donc S= R (ensemble des réels)

La bonne journée
Answered on 27 Agustus 2025

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